In November, Costco recalled nearly 260,000 eggs sold under the Kirkland Signature brand in 25 stores nationwide. The eggs landed on shelves in Alabama, North Carolina, Georgia, South Carolina and Tennessee starting Nov. 22, according to the company.

Federal food regulators have heightened their concerns over recalled eggs sold at Costco ($COST) stores, reclassifying the risk level to their

The U.S. Food and Drug Administration warned that eating the contaminated eggs will likely result in "serious adverse health consequences or death."